Question

PLEASE HELP!!!!!!!!!!!! :_(

A quadratic equation is shown below:

x^2 + 18x + 76 = 0

Which of the following is the first correct step to write the above equation in the form (x - p)2 = q, where p and q are integers?

Add 9 to both sides of the equation

Add 5 to both sides of the equation

Subtract 5 from both sides of the equation

Subtract 9 from both sides of the equation

Answer 1

@Hero @jim_thompson5910 @nikato @tHe_FiZiCx99

Answer 2

what value makes the following below a perfect square

x^2 + 18x + _____

Answer 3

81, right?

Answer 4

how did you get 81?

Answer 5

i divided 18 by 2 and squared it

Answer 6

good

Answer 7

so we have x^2 + 18x + 76 = 0 instead

Answer 8

we have the x^2 + 18x already

Answer 9

that 76 is the part that makes the left side not a perfect square

Answer 10

how do we fix it?

Answer 11

oooh! u have to add 5!

Answer 12

very good

76+5 = 81

Answer 13

so you have to add 5 to both sides to make sure you don't change the overall equation

Answer 14

THANK YOU SO MUCH!!!!! <3 :)

Answer 15

you're welcome